Police officers

    Some police officers answer calls every night at the station. Others go around the town and city on foot or in cars.因为他们辛勤工作，你才能安然入睡。

Firefighters (消防队员)

    Even at night, firefighters are ready to help. Whenever they get a call, they will go at once to fight fires and help people.

Doctors

    If you get sick or hurt at night, doctors can take care of you at the hospital. The doctor will examine(检查)you, give you medicine and even do an operation(手术)on you.

Bakers(糕饼师傅)

    You may never think that bakers often start the day while you are still asleep. They prepare all the things they need for the day and then start working. Bakers want their bread and cakes to be fresh and delicious every day.

    In fact, many other people work at night. Let's thank them for everything they do for us.

    You may think that English dictionaries have been used for many, many centuries. The spelling of English has always been a problem, but it was more of a problem in the days before a dictionary. In those days people spelt words in different ways which you might find interesting. But it made reading English much more difficult. So dictionaries were invented to encourage everybody to spell the same. In fact, an English dictionary like the kind you use today wasn't made until the time of the Qing Dynasty.

    The largest dictionary in the world is the Oxford English Dictionary, or OED for short. The idea for this dictionary came from an important meeting in Britain in 1857. Twenty-two years later, Oxford University asked James Murray to be the editor of its new dictionary.

    Murray had not been to college. At the age of fourteen, he left his village school in Scotland and taught himself while working in a bank. Later he became a great teacher. After Oxford gave him the job, Murray had a place built in the garden behind his house to do his work. Part of it was one metre underground. In winter he had to wear a heavy coat and put his feet in a box to keep warm. Every morning, Murray got out of bed at five o'clock and worked several hours before breakfast. Often he would work by candle light into the evening.

    Murray hoped to finish the new dictionary in ten years. But after five years, he was still adding words for the letter A! Then others went to work with Murray, and his two daughters were among them. He worked on the dictionary until he was very old. Forty-four years later, in 1928, other editors finished it. It had more than 15,000 words in twelve books. And you thought your English dictionary was big!

Tips for Studying English

    Different people have different study habits. The following tips have worked on a great number of people.

    Some of them may work on you; some of them won't.

Try them all and start your own habit.

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    Find a quiet place with enough room to study. Once you've found it, study there every time. It could be a desk in your bedroom, or the kitchen table. Lying down on your bed and studying is not a good habit.

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    Find the time you can concentrate（专心）best. Spend that time on study every day. However，you should be sure it is not so late at night.

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    Put your books，dictionaries and stationery in the same place. Make sure you can find everything you need right away when you go to study.

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    Keep all your mind on you studies. When you study，turn off the TV and turn down music. Any other thoughts should also be set aside.

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    You should at least take a break every hour while studying. It can be five or ten minutes，but don't rest too long. Make sure you can concentrate at any time.

    I am walking through the winter park where the trees stand cold and bare (光秃秃的). The yellow leaves have fallen to the ground. Now, a group of women gather at the sides of a path. In the cold winter, they're moving their arms and legs to a rhythm (节奏). They are, of course, the dancing aunties.

    It seems that if you go to any public space around China, you're likely to see these dancing aunties. When I first came to China, it was one of the first things that annoyed me. That's because in Britain dancing in public is not a cultural habit. You won't see any age group swinging their arms and tapping their feet in a park. Usually, they just take a walk for exercise.

    Now and again the dancing aunties have hit the headlines (头条新闻). Some people find them annoying. But others respect their right to dance in public. Most of them are middle-aged. They finally have some free time to do whatever they like. There is no more work, and their kids have left.

    All in all, I like seeing these women enjoying themselves. They remind us of the importance of exercise as we get older. Besides, most of them have raised the whole families. Now it is their time to have fun and enjoy some peace.

All of us want to be healthy. To keep healthy, more and more people are doing sports. Do you like sports? If yes, which is your favourite sport?